<<Utilities`URLTools`
FetchURL["http://www.wolfram.com&quot;]
"/private/var/folders/kY/kYL-hxebGaefEKwlddWc3++++TM/-Tmp-/Temp7483389857745393361___www.wolfram.com"
Good job! Now, then... where is that file, and how do I remove it?
Bobby
On Tue, 08 Nov 2011 06:14:50 -0600, Todd Gayley <tgayley at wolfram.com>
wrote:
> At 03:45 AM 11/5/2011, Gy Peng wrote:
>> Dear Mathematica friends,
>>
>> I want to Import some files stored on internet by:
>>
>> Import["http://url&quot;, ...]
>>
>> This allow me to see the file in the notebook of mathematica. However,
>> what
>> I want to do is to download and save the files in local machine. And
>> since
>> I have may be hundreds or thousands files need to be download and save.
>> Is
>> there any why in Mathematica to do it in a most optimized and fast way?
>>
>> And can read the file names in a single string in Mathematica like:
>>
>> { file1, file2, file3, file4, ...}
>>
>> How could I make a loop in Mathematica to download and save all of
>> them in a same directory in local machine by Mathematica?
>>
>> I would thank you for all your kind reply and help!!!!
>
>
> The FetchURL function, which is used internally by Import, will do
> what you want:
>
> In[10]:= << Utilities`URLTools`
>
> In[11]:= FetchURL["http://www.wolfram.com&quot;]
>
> Out[11]=
> "C:\\Users\\tgayley\\AppData\\Local\\Temp\\Temp65400___www.wolfram.com"
>
> If you want to choose a specific location and filename for the
> downloaded file, you pass it as the second argument:
>
> In[12]:= FetchURL["http://www.wolfram.com&quot;, "c:\\foo.txt"]
>
> Out[12]= "c:\\foo.txt"
>
> If you want a program that downloads a list of URLs to a specific
> directory, this will do the trick.
>
> listOfURLs = {"http://www.wolfram.com&quot;, "http://www.apple.com&quot;,
> "http://www.microsoft.com"};
> downloadDir = "c:\\foo"; (* I assume it exists *)
> n = 1;
> {#, FetchURL[#, ToFileName[downloadDir, "file" <>
> ToString[n++]]]} & /@ listOfURLs
>
> This returns a list of {url, filename} pairs so you can match up each
> URL with the corresponding file. You could also create filenames
> based on the URL so that it was immediately obvious which file was
> the product of which URL.
>
>
> Todd Gayley
> Wolfram Research
>
>
--
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